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We evaluate the correlation between the plasma level of C-reactive protein (CRP) in patients with erectile dysfunction (ED) and hypertension and to set up whether the CRP level affected by the treatment of vardenafil 10 mg orally once daily. A total of 116 male patients with ED and hypertension were enrolled in this prospective study. The patients were divided into two groups, group 1 (ED patients with Not controlled hypertension) and group 2 (ED patients with controlled hypertension). All patients completed the International Index of Erectile Function (IIEF) scores, performed a penile color Doppler ultrasound examination and high sensitivity (hs-CRP) levels. The patients were given vardenafil 10 mg once daily for 3 months and reassessed again. According to the IIEF-EF domain score, there were statistically significant differences between the two groups (P=0.012) with a median value 10.0 (4.0-14.5) and 15.0 (9.0-16.5) between group 1 and group 2, respectively. Regarding to the severe (score<11), moderate (score 11-16) and mild (score 17-25) there were statistically significant differences between the two groups (0.023), (0.001) and (0.001), respectively. The hs-CRP showed statistically significant difference between the two groups (P=0.050) with a median value 2.4 (1.5-3.1) and 1.8 (1.1-2.4) between group 1 and group 2, respectively. The peak systolic velocity (PSV) and end diastolic velocity (EDV) showed statistically significant differences between the two groups (P=0.011) and (P=0.046), respectively. After treatment, there were improvements in the IIEF-EF domain score, severe (score<11), moderate (score 11-16), mild (score 17-25), PSV and EDV in both groups and these improvement were more obvious in (group 2) than (group 1) with a statistically significant differences between the two groups (P<0.05) (except in moderate (score 11-16), no statistically significant difference). The hs-CRP showed statistically significant differences between the two groups after treatment (P=0.049) with a median 2.1 (1.6-2.9) and 1.2 (0.9-2.4) between group 1 and group 2, respectively. Serum hs-CRP was significantly elevated in patients with ED and not controlled hypertension than in ED patients with controlled hypertension. ED patients with controlled blood pressure gave better results with penile duplex than those with not controlled blood pressure. Serum hs-CRP level could be a marker for an endothelial condition in men with ED and hypertension.

To investigate the change of erection duration measured by stopwatch with flexible dose vardenafil administered for 8 weeks in subjects with erectile dysfunction (ED). Effect of levitra on sustenance of erection was an open-label, prospective, multicenter and single-arm study designed to measure the duration of erection in men with ED receiving a flexible dose of vardenafil over an 8-week treatment period. Patients were instructed to take vardenafil 10 mg 60 min before attempting the intercourse. Vardenfil could be increased to 20 mg or decreased to 5 mg concerning patients' efficacy and safety. Following the initial screening, patients entered a 4-week treatment-free run-in phase and 8-week treatment period, during which they were instructed to attempt intercourse at least four times on four separate days. A total of 95 men were enrolled in 10 centers. After the 8 weeks treatment, the mean duration of erection leading to successful intercourse was statistically superior when patients were treated with vardenafil. After an 8-week treatment, the duration of erection leading to successful intercourse was 9.39 min. There were significant benefits with vardenafil in all domains of International Index of Erectile Function. Secondary efficacy end points included success rate of penetration, maintaining erection, ejaculation and satisfaction were superior when patients were treated with vardenafil. There was a significant correlation between duration of erection with other sexual factors. Also partner's sexual satisfaction was increased with vardenafil. Most adverse events were mild or moderate in severity. Vardenafil was safe and well tolerated. Vardenafil therapy provided a statistically superior duration of erection leading to successful intercourse in men with ED with female partner.